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    <title>Class and ID Selectors</title>
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    <p>Number 1 - I'm a class!</p>
    <div>Number 2 - I'm one ID.</div>
    <p>Number 3 - I'm a class, but cooler!</p>
    <div>Number 4 - I'm another ID.</div>
    <p>Number 5 - I'm a class!</p>
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